src/BuildSystem/Requirements.pm

# Requirements Doc - just to get ordering info
#
# Interface
# ---------
# new(ActiveStore,url[,arch])     : new requirements doc
# setup(toolbox): set up the requirements into the specified toolbox object
# download(toolbox)    : download description files (into toolbox cache)
# tools()       : Return list of ALL requirements (ordered)
# selectedtools() : Return list of only those tools selected
# version(tool) : return the version of a given tool
# toolurl(tool)     : return the url of a given tool
# getreqforarch(arch) : Return a RequirementsObject corresponding to the
#                       specified architecture
# toolcomment(tool,version) : return the comment string for the specified tool
# distributionurl(tool,version) : return the dist info url for the tool

package BuildSystem::Requirements;
use ActiveDoc::ActiveDoc;
use Utilities::Verbose;

require 5.004;
@ISA=qw(Utilities::Verbose);

sub new {
        my $class=shift;
        my $self={};
        bless $self, $class;
        $self->{dbstore}=shift;
        $self->{file}=shift;
        $self->{cache}=$self->{dbstore}->cache();
        if ( @_ ) {
          $self->arch(shift);
        }
        $self->verbose("Initialising a new Requirements Doc");
        $self->{mydocversion}="2.0";
        $self->{Arch}=1;
        push @{$self->{ARCHBLOCK}}, $self->{Arch};
        $self->init($self->{file});
        return $self;
}

sub url {
        my $self=shift;
        if ( @_ ) {
          $self->{file}=shift;
        }
        return $self->{file}
}

sub setup {
        my $self=shift;
        my $toolbox=shift;

        my $tool;
        foreach $tool ( $self->selectedtools() )
           {
           $self->verbose("Setting Up Tool $tool");
           $toolbox->toolsetup($tool, $self->version($tool), $self->toolurl($tool));
           }
}

sub tools {
        my $self=shift;
        return @{$self->{tools}};
}

sub selectedtools {
        my $self=shift;
        my @toollist=();
        foreach $tool (  @{$self->{tools}} ) {
          if ( $self->{selected}{$tool} == 1 ) {
                push @toollist, $tool;
          }
        }
        return @toollist;
}

sub toolcomment {
        my $self=shift;
        my $tool=shift;
        my $version=shift;

        return $self->{reqtext}{$tool}{$version};
}

sub distributionurl {
        my $self=shift;
        my $tool=shift;
        my $version=shift;

        return ( defined $self->{dist}{$tool}{$version})?
                        $self->{dist}{$tool}{$version}:undef;
}

sub version {
        my $self=shift;
        my $tool=shift;
        return $self->{'version'}{$tool};
}

sub toolurl {
        my $self=shift;
        my $tool=shift;
        return $self->{'url'}{$tool};
}

sub init {
        my $self=shift;
        my $url=shift;

        my $switch=ActiveDoc::ActiveDoc->new($self->{dbstore});
        $switch->verbosity($self->verbosity());
        $switch->url($url);
        $switch->newparse("ordering");
        $switch->addbasetags("ordering");
        $switch->addtag("ordering","Architecture",
                                        \&Arch_Start,$self,
                                        "", $self,
                                        \&Arch_End, $self);
        $switch->addtag("ordering","Restrict",
                                        \&Restrict_start,$self,
                                        "", $self,
                                        \&Restrict_end, $self);
        $switch->addtag("ordering","deselect",
                                        \&deselect_start,$self,
                                        "", $self,
                                        "", $self);
        $switch->addtag("ordering","select",
                                        \&select_start,$self,
                                        "", $self,
                                        "", $self);
        $switch->addtag("ordering","distribution",
                                        \&disttag,$self);
        $switch->grouptag("Architecture","ordering");
        $switch->addtag("ordering","require",
                                        \&require_start,$self,
                                        \&require_text, $self,
                                        \&require_end, $self);

        $self->{reqcontext}=0;
        $self->{switch}=$switch;
        undef $self->{restrictstack};
        @{$self->{tools}}=();
        
        my($doctype,$docversion)=$switch->doctype();
        # -- for backwards compatability only parse if we have a docversion
        #    defined
        if ( defined $docversion ) { 
          if ( $docversion eq $self->{mydocversion} ) {
            @{$self->{ArchStack}}=();
            $self->verbose("Initial Document Parse");
            $self->{switch}->parse("ordering");
          }
          else {
            $self->verbose("wrong doc version - not parsing");
          }
        }
        else {
          $self->verbose("wrong doc type - not parsing");
        }
}

sub arch {
        my $self=shift;
        if ( @_ ) {
          $self->{arch}=shift
        }
        else {
          if ( ! defined $self->{arch} ) {
            $self->{arch}="";
          }
        }
        return $self->{arch};
}

sub archlist {
        my $self=shift;
        return @{$self->{ArchStack}};
}

sub getreqforarch {
        my $self=shift;
        my $arch=shift;

        if ( ! defined $self->{reqsforarch}{$arch} ) {
          $self->{reqsforarch}{$arch}=
                BuildSystem::Requirements->new($self->{dbstore},$self->{file},
                                                $arch);
        }
        return $self->{reqsforarch}{$arch};
}


sub download {
        my $self=shift;

        my $tool;
        foreach $tool ( $self->tools() ) {
          $self->verbose("Downloading ".$self->toolurl($tool));
          # get into the cache
          $self->{switch}->urlget($self->toolurl($tool));
        }
}

sub _autoselect {
        my $self=shift;
        if ( @_ ) {
          $self->{autoselect}=shift;
        }
        # -- default is true
        return ((defined $self->{autoselect})?$self->{autoselect}:1);
}

# ---- Tag routines 

sub Restrict_start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        $self->{switch}->checktag( $name, $hashref, 'autoselect');
        if ( $self->{Arch} ) {
        # -- create selection state stack
        push @{$self->{restrictstack}}, $self->_autoselect();
        $self->_autoselect(
                (($$hashref{'autoselect'}=~/true/i)?1:0));
        }
}

sub Restrict_end {
        my $self=shift;
        my $name=shift;

        if ( $self->{Arch} ) {
        if ( $#{$self->{restrictstack}} >= 0 ) {
          $self->_autoselect(pop @{$self->{restrictstack}});
        }
        else {
          $self->{switch}->parseerror("Unmatched </$name>");
        }
        }
}

sub require_start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;
        
        $self->{switch}->checktag( $name, $hashref, 'version');
        $self->{switch}->checktag( $name, $hashref, 'name');
        $self->{switch}->checktag( $name, $hashref, 'url');

        if ( $self->{reqcontext} == 1 ) {
          $self->{switch}->parseerror(
                "Open new $name conext without previous </$name>");
        }
        $self->{reqcontext}=1;
        $$hashref{'name'}=~tr[A-Z][a-z];
        push @{$self->{tools}}, $$hashref{'name'};
        $self->{version}{$$hashref{'name'}}=$$hashref{'version'};
        # -- make sure the full url is taken
        my $urlobj=$self->{switch}->expandurl($$hashref{'url'});
        $self->{url}{$$hashref{'name'}}=$urlobj->url();

        # -- selection
        if ( $self->{Arch} ) {
          if ( $self->_autoselect() ) {
             $self->{selected}{$$hashref{'name'}}=1;
          }
          else {
             $self->{selected}{$$hashref{'name'}}=0;
          }
        }
        $self->{creqtool}=$$hashref{'name'};
        $self->{creqversion}=$$hashref{'version'};
        $self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}="";
}

sub require_text {
        my $self=shift;
        my $name=shift;
        my $string=shift;

        chomp $string;
        $self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}=
                $self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}.
                $string;
                
}

sub require_end {
        my $self=shift;
        my $name=shift;

        if ( $self->{reqcontext} != 1 ) {
          $self->{switch}->parseerror("No matching tag for </$name>");
        }
        else {
          $self->{reqcontext}=0;
        }
}

sub select_start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        $self->{switch}->checktag( $name, $hashref, 'name');
        $$hashref{'name'}=~tr[A-Z][a-z];
        if ( $self->{Arch} ) {
           $self->verbose("Selecting ".$$hashref{'name'});
           $self->{selected}{$$hashref{'name'}}=1;
        }
}

sub deselect_start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        $self->{switch}->checktag( $name, $hashref, 'name');
        $$hashref{'name'}=~tr[A-Z][a-z];
        if ( $self->{Arch} ) {
           $self->verbose("Deselecting ".$$hashref{'name'});
           $self->{selected}{$$hashref{'name'}}=0;
        }
}

sub Arch_Start {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        $self->{switch}->checktag($name, $hashref,'name');
        
        ( ($self->arch()=~/$$hashref{name}.*/) )? ($self->{Arch}=1)
                                                : ($self->{Arch}=0);
        $self->verbose(($self->{Arch}?"OK":"skipping")." ".$$hashref{name});
        push @{$self->{ARCHBLOCK}}, $self->{Arch};
        push @{$self->{ArchStack}}, $$hashref{'name'};
}

sub Arch_End {
        my $self=shift;
        my $name=shift;

        pop @{$self->{ARCHBLOCK}};
        $self->{Arch}=$self->{ARCHBLOCK}[$#{$self->{ARCHBLOCK}}];
}

sub disttag {
        my $self=shift;
        my $name=shift;
        my $hashref=shift;

        if ( exists $$hashref{'url'} ) {
          $self->{dist}{$self->{creqtool}}{$self->{creqversion}}=
                                                        $$hashref{'url'};
        }
}
Revision:	1.5
Committed:	Mon Oct 1 16:11:07 2001 UTC (23 years, 7 months ago) by sashby
Content type:	text/plain
Branch:	MAIN
Changes since 1.4:	+5 -4 lines
Log Message:	Committing some changes.
#	User	Rev	Content
1	williamc	1.2	# Requirements Doc - just to get ordering info
2			#
3			# Interface
4			# ---------
5			# new(ActiveStore,url[,arch]) : new requirements doc
6			# setup(toolbox): set up the requirements into the specified toolbox object
7			# download(toolbox) : download description files (into toolbox cache)
8			# tools() : Return list of ALL requirements (ordered)
9			# selectedtools() : Return list of only those tools selected
10			# version(tool) : return the version of a given tool
11			# toolurl(tool) : return the url of a given tool
12			# getreqforarch(arch) : Return a RequirementsObject corresponding to the
13			# specified architecture
14			# toolcomment(tool,version) : return the comment string for the specified tool
15			# distributionurl(tool,version) : return the dist info url for the tool
16
17			package BuildSystem::Requirements;
18			use ActiveDoc::ActiveDoc;
19			use Utilities::Verbose;
20
21			require 5.004;
22			@ISA=qw(Utilities::Verbose);
23
24			sub new {
25			my $class=shift;
26			my $self={};
27			bless $self, $class;
28			$self->{dbstore}=shift;
29			$self->{file}=shift;
30			$self->{cache}=$self->{dbstore}->cache();
31			if ( @_ ) {
32			$self->arch(shift);
33			}
34	williamc	1.3	$self->verbose("Initialising a new Requirements Doc");
35	williamc	1.2	$self->{mydocversion}="2.0";
36			$self->{Arch}=1;
37			push @{$self->{ARCHBLOCK}}, $self->{Arch};
38			$self->init($self->{file});
39			return $self;
40			}
41
42			sub url {
43			my $self=shift;
44			if ( @_ ) {
45			$self->{file}=shift;
46			}
47			return $self->{file}
48			}
49
50			sub setup {
51			my $self=shift;
52			my $toolbox=shift;
53
54			my $tool;
55	sashby	1.5	foreach $tool ( $self->selectedtools() )
56			{
57			$self->verbose("Setting Up Tool $tool");
58			$toolbox->toolsetup($tool, $self->version($tool), $self->toolurl($tool));
59			}
60	williamc	1.2	}
61
62			sub tools {
63			my $self=shift;
64			return @{$self->{tools}};
65			}
66
67			sub selectedtools {
68			my $self=shift;
69			my @toollist=();
70			foreach $tool ( @{$self->{tools}} ) {
71			if ( $self->{selected}{$tool} == 1 ) {
72			push @toollist, $tool;
73			}
74			}
75			return @toollist;
76			}
77
78			sub toolcomment {
79			my $self=shift;
80			my $tool=shift;
81			my $version=shift;
82
83			return $self->{reqtext}{$tool}{$version};
84			}
85
86			sub distributionurl {
87			my $self=shift;
88			my $tool=shift;
89			my $version=shift;
90
91			return ( defined $self->{dist}{$tool}{$version})?
92			$self->{dist}{$tool}{$version}:undef;
93			}
94
95			sub version {
96			my $self=shift;
97			my $tool=shift;
98			return $self->{'version'}{$tool};
99			}
100
101			sub toolurl {
102			my $self=shift;
103			my $tool=shift;
104			return $self->{'url'}{$tool};
105			}
106
107			sub init {
108			my $self=shift;
109			my $url=shift;
110
111			my $switch=ActiveDoc::ActiveDoc->new($self->{dbstore});
112			$switch->verbosity($self->verbosity());
113			$switch->url($url);
114			$switch->newparse("ordering");
115			$switch->addbasetags("ordering");
116			$switch->addtag("ordering","Architecture",
117			\&Arch_Start,$self,
118			"", $self,
119			\&Arch_End, $self);
120			$switch->addtag("ordering","Restrict",
121			\&Restrict_start,$self,
122			"", $self,
123			\&Restrict_end, $self);
124			$switch->addtag("ordering","deselect",
125			\&deselect_start,$self,
126			"", $self,
127			"", $self);
128			$switch->addtag("ordering","select",
129			\&select_start,$self,
130			"", $self,
131			"", $self);
132			$switch->addtag("ordering","distribution",
133			\&disttag,$self);
134			$switch->grouptag("Architecture","ordering");
135			$switch->addtag("ordering","require",
136			\&require_start,$self,
137			\&require_text, $self,
138			\&require_end, $self);
139
140			$self->{reqcontext}=0;
141			$self->{switch}=$switch;
142			undef $self->{restrictstack};
143			@{$self->{tools}}=();
144
145			my($doctype,$docversion)=$switch->doctype();
146			# -- for backwards compatability only parse if we have a docversion
147			# defined
148			if ( defined $docversion ) {
149			if ( $docversion eq $self->{mydocversion} ) {
150			@{$self->{ArchStack}}=();
151	williamc	1.3	$self->verbose("Initial Document Parse");
152	williamc	1.2	$self->{switch}->parse("ordering");
153			}
154	williamc	1.3	else {
155			$self->verbose("wrong doc version - not parsing");
156			}
157	williamc	1.2	}
158			else {
159	williamc	1.3	$self->verbose("wrong doc type - not parsing");
160	williamc	1.2	}
161			}
162
163			sub arch {
164			my $self=shift;
165			if ( @_ ) {
166			$self->{arch}=shift
167			}
168			else {
169			if ( ! defined $self->{arch} ) {
170			$self->{arch}="";
171			}
172			}
173			return $self->{arch};
174			}
175
176			sub archlist {
177			my $self=shift;
178			return @{$self->{ArchStack}};
179			}
180
181			sub getreqforarch {
182			my $self=shift;
183			my $arch=shift;
184
185			if ( ! defined $self->{reqsforarch}{$arch} ) {
186			$self->{reqsforarch}{$arch}=
187			BuildSystem::Requirements->new($self->{dbstore},$self->{file},
188			$arch);
189			}
190			return $self->{reqsforarch}{$arch};
191			}
192
193
194			sub download {
195			my $self=shift;
196
197			my $tool;
198			foreach $tool ( $self->tools() ) {
199			$self->verbose("Downloading ".$self->toolurl($tool));
200			# get into the cache
201			$self->{switch}->urlget($self->toolurl($tool));
202			}
203			}
204
205			sub _autoselect {
206			my $self=shift;
207			if ( @_ ) {
208			$self->{autoselect}=shift;
209			}
210			# -- default is true
211			return ((defined $self->{autoselect})?$self->{autoselect}:1);
212			}
213
214			# ---- Tag routines
215
216			sub Restrict_start {
217			my $self=shift;
218			my $name=shift;
219			my $hashref=shift;
220
221			$self->{switch}->checktag( $name, $hashref, 'autoselect');
222			if ( $self->{Arch} ) {
223			# -- create selection state stack
224			push @{$self->{restrictstack}}, $self->_autoselect();
225			$self->_autoselect(
226			(($$hashref{'autoselect'}=~/true/i)?1:0));
227			}
228			}
229
230			sub Restrict_end {
231			my $self=shift;
232			my $name=shift;
233
234			if ( $self->{Arch} ) {
235			if ( $#{$self->{restrictstack}} >= 0 ) {
236			$self->_autoselect(pop @{$self->{restrictstack}});
237			}
238			else {
239			$self->{switch}->parseerror("Unmatched </$name>");
240			}
241			}
242			}
243
244			sub require_start {
245			my $self=shift;
246			my $name=shift;
247			my $hashref=shift;
248
249			$self->{switch}->checktag( $name, $hashref, 'version');
250			$self->{switch}->checktag( $name, $hashref, 'name');
251			$self->{switch}->checktag( $name, $hashref, 'url');
252
253			if ( $self->{reqcontext} == 1 ) {
254			$self->{switch}->parseerror(
255			"Open new $name conext without previous </$name>");
256			}
257			$self->{reqcontext}=1;
258			$$hashref{'name'}=~tr[A-Z][a-z];
259			push @{$self->{tools}}, $$hashref{'name'};
260			$self->{version}{$$hashref{'name'}}=$$hashref{'version'};
261			# -- make sure the full url is taken
262			my $urlobj=$self->{switch}->expandurl($$hashref{'url'});
263			$self->{url}{$$hashref{'name'}}=$urlobj->url();
264
265			# -- selection
266			if ( $self->{Arch} ) {
267			if ( $self->_autoselect() ) {
268			$self->{selected}{$$hashref{'name'}}=1;
269			}
270			else {
271			$self->{selected}{$$hashref{'name'}}=0;
272			}
273			}
274			$self->{creqtool}=$$hashref{'name'};
275			$self->{creqversion}=$$hashref{'version'};
276			$self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}="";
277			}
278
279			sub require_text {
280			my $self=shift;
281			my $name=shift;
282			my $string=shift;
283
284			chomp $string;
285			$self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}=
286			$self->{reqtext}{$self->{creqtool}}{$self->{creqversion}}.
287			$string;
288
289			}
290
291			sub require_end {
292			my $self=shift;
293			my $name=shift;
294
295			if ( $self->{reqcontext} != 1 ) {
296			$self->{switch}->parseerror("No matching tag for </$name>");
297			}
298			else {
299			$self->{reqcontext}=0;
300			}
301			}
302
303			sub select_start {
304			my $self=shift;
305			my $name=shift;
306			my $hashref=shift;
307
308			$self->{switch}->checktag( $name, $hashref, 'name');
309			$$hashref{'name'}=~tr[A-Z][a-z];
310			if ( $self->{Arch} ) {
311			$self->verbose("Selecting ".$$hashref{'name'});
312			$self->{selected}{$$hashref{'name'}}=1;
313			}
314			}
315
316			sub deselect_start {
317			my $self=shift;
318			my $name=shift;
319			my $hashref=shift;
320
321			$self->{switch}->checktag( $name, $hashref, 'name');
322			$$hashref{'name'}=~tr[A-Z][a-z];
323			if ( $self->{Arch} ) {
324			$self->verbose("Deselecting ".$$hashref{'name'});
325			$self->{selected}{$$hashref{'name'}}=0;
326			}
327			}
328
329			sub Arch_Start {
330			my $self=shift;
331			my $name=shift;
332			my $hashref=shift;
333
334			$self->{switch}->checktag($name, $hashref,'name');
335
336			( ($self->arch()=~/$$hashref{name}.*/) )? ($self->{Arch}=1)
337			: ($self->{Arch}=0);
338			$self->verbose(($self->{Arch}?"OK":"skipping")." ".$$hashref{name});
339			push @{$self->{ARCHBLOCK}}, $self->{Arch};
340			push @{$self->{ArchStack}}, $$hashref{'name'};
341			}
342
343			sub Arch_End {
344			my $self=shift;
345			my $name=shift;
346
347			pop @{$self->{ARCHBLOCK}};
348			$self->{Arch}=$self->{ARCHBLOCK}[$#{$self->{ARCHBLOCK}}];
349			}
350
351			sub disttag {
352			my $self=shift;
353			my $name=shift;
354			my $hashref=shift;
355
356			if ( exists $$hashref{'url'} ) {
357			$self->{dist}{$self->{creqtool}}{$self->{creqversion}}=
358			$$hashref{'url'};
359			}
360			}